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core-extra/wiki/ReleaseNotes.wiki
ahrenholz@gmail.com 883064c26a added fc19 to list
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#summary Changelog and notes about CORE releases.
Refer to the NamespaceKernels and CustomKernels pages for info on good/bad kernels and supported networking features.
= 4.7 =
CORE 4.7 is planned for release on 8/6/14. Packages will be available for the following Linux distributions:
* debs for Ubuntu 14.04 (trusty), 12.04 (precise)
* RPMs for Fedora 20 (fc20), 19 (fc19)
* RPMs for CentOS/RHEL/Scientific Linux 7.x (el7), 6.x (el6)
The high-level changes since version 4.6 are:
*EMANE*
* support for EMANE 0.9.1
* fix error when using Comm Effect model with loss/duplicate string values
* enable flow control in virtual transport if enabled in the MAC model
* fix bug #150 where EMANE event service/address port were not used
*GUI*
* support Tcl/Tk 8.6 when available
* added --(a)ddress and --(p)ort arguments to core-gui command-line
* added File > Execute XML or Python script... option
* added File > Execute Python script with options... menu item
* when executing Python script from GUI, run in background thread, wait for RUNTIME state
* enter RUNTIME state when start button pressed with empty canvas
* added support for asymmetric link effects
* support link delays up to 274 seconds (netem maximum)
* allow runtime changes of WLAN link effects
*DAEMON*
* set NODE_NAME, NODE_NUMBER, SESSION_SHORT in default vnoded environment
* changed host device naming to use veth, tap prefixes; b.n.SS for bridges
* allow parsing XML files into live running session
* enable link effects between hub/switch and hub/switch connections
* update MDR service to use broadcast interfaces for non-WLAN links
* allow node class to be specified when initializing XML parser
* save and parse canvas origin (reference point) and scale in MP XML
* up/down control script session option
* fix hash calculation used to determine GRE tunnel keys
* use shell script to detach SMF on startup
* added NRL services for mgen sink and nrlolsrv2
* use SDT URL session option
* added core-manage tool for addons to add/remove/check services, models, and custom node types
*API*
* implement local flag in Execute Message for running host commands
* jitter changed to 64-bit value to align with delay in Link Message
* added unidirectional link flag TLV to Link Message
* added reconfigure event type for re-generating service config files
* return errors in API with failed services
*BUGFIXES*
* fix HTTP service running under Ubuntu
* fixed the following bugs: bug #150, bug #169, bug #188, bug #220, bug #225, bug #230, bug #231, bug #242, bug #244, bug #247, bug #248, bug #250, bug #251
*Known Issues with 4.7*
* Under Fedora or CentOS Linux, the repository version of Quagga (`yum install quagga`) does not work with CORE. See bug #255. You need to build Quagga or Quagga MDR from source using the [http://downloads.pf.itd.nrl.navy.mil/docs/core/core-html/install.html#compiling-quagga-for-core manual instructions].
* Under Fedora or CentOS Linux, NetworkManager will automatically invoke DHCP clients on CORE-generated interfaces. See bug #253. Recommended workaround is to turn off NetworkManager using `systemctl stop NetworkManager` and `systemctl disable NetworkManager`. Ubuntu ignores interfaces having the "veth" prefix.
----
= 4.6 =
CORE 4.6 was released on 9/25/13. Packages are available for the following Linux distributions:
* debs for Ubuntu 13.04 (raring), 12.10 (quantal), *12.04 (precise)*
* RPMs for Fedora 19 (fc19), 18 (fc18), 17 (fc17)
* RPMs for CentOS/RHEL/Scientific Linux 6.x (el6)
The high-level changes since version 4.5 are:
*NOTE:* `cored` is now `core-daemon` and `core` is now `core-gui` (for Debian acceptance)
*NOTE:* /etc/init.d/core is now /etc/init.d/core-daemon (for insserv compatibility)
*EMANE*
* don't start EMANE locally if no local NEMs
* EMANE poststartup() to re-transmit location events during initialization
* added debug port to EMANE options
* added a basic EMANE 802.11 CORE Python script example
* expose transport XML block generation to EmaneModels
* expose NEM entry to the EmaneModel so it can be overridden by a model
* add the control interface bridge prior to starting EMANE, as some models may depend on the controlnet functionality
* added EMANE model to CORE converter
* parse lat/long/alt from node messages, for moving nodes using command-line
* fix bug #196 incorrect distance when traversing UTM zones
*GUI*
* added Cut, Copy, and Paste options to the Edit menu; paste will copy selected services and take care of node and interface renumbering
* implement Edit > Find dialog for searching nodes and links
* when copying existing file for a service, perform string replacement of: "~", "%SESSION%", "%SESSION_DIR%", "%SESSION_USER%", "%NODE%", "%NODENAME%"
* use CORE_DATA_DIR insteadof LIBDIR
* fix Adjacency Widget to work with OSPFv2 only networks
*BUILD*
* build/packaging improvements for inclusion on Debian
* fix error when running scenario with a mobility script in batch mode
* include Linux kernel patches for 3.8
* renamed core-cleanup.sh to core-cleanup for Debian conformance
* don't always generate man pages from Makefile; new manpages for coresendmsg and cored
*BUGFIXES*
* don't auto-assign IPv4/IPv6 addresses when none received in Link Messages (session reconnect)
* fixed lock view
* fix GUI spinbox errors for Tk 8.5.8 (RHEL/CentOS 6.2)
* fix broker node count for distributed session entering the RUNTIME state when (non-EMANE) WLANs or GreTapBridges are involved
* fix "file exists" error message when distributed session number is re-used and servers file is written
* fix bug #194 configuration dialog too long, make dialog scrollable/resizable
* allow float values for loss and duplicates percent
* fix the following bugs: 166, 172, 177, 178, 192, 194, 196, 201, 202, 205, 206, 210, 212, 213, 214, 221
Known issues with 4.6:
* bug #237 build error "dereferencing type-punned pointer will break strict-aliasing rule" under GCC 4.7.x (Fedora, OpenSUSE, etc.) -- see bug #238 for workaround
* HTTP apache2 service fails to start - fixed in r452 2013-10-22
----
= 4.5 =
CORE 4.5 was released on 4/11/13. Packages are available for the following Linux distributions:
* debs for Ubuntu 12.10 (quantal), 12.04 (precise)
* RPMs for Fedora 18 (fc18), 17 (fc17)
* RPMs CentOS/RHEL/Scientific Linux 6.4 (el6)
The high-level changes since version 4.4 are:
*GUI*
* improved behavior when starting GUI without daemon, or using File New after connection with daemon is lost
* fix various GUI issues when reconnecting to a session
* support 3D GUI via output to SDT3D
* added "Execute Python script..." entry to the File Menu
* support user-defined terminal program instead of hard-coded xterm
* added session options for "enable RJ45s", "preserve session dir"
* added buttons to the IP Addresses dialog for removing all/selected IPv4/IPv6
* allow sessions with multiple canvases to enter RUNTIME state
* added "--addons" startup mode to pass control to code included from addons dir
* added "Locked" entry to View menu to prevent moving items
* use currently selected node type when invoking a topology generator
* updated throughput plots with resizing, color picker, plot labels, locked scales, and save/load plot configuration with imn file
* improved session dialog
*EMANE*
* EMANE 0.8.1 support with backwards-compatibility for 0.7.4
* extend CommEffect model to generate CommEffect events upon receipt of Link Messages having link effects
*Services*
* updated FTP service with root directory for anonymous users
* added HTTP, PCAP, BIRD, RADVD, and Babel services
* support copying existing files instead of always generating them
* added "Services..." entry to node right-click menu
* added "View" button for side-by-side comparison when copying customized config files
* updated Quagga daemons to wait for zebra.vty VTY file before starting
*General*
* XML import and export
* renamed "cored.py" to "cored", "coresendmsg.py" to "coresendmsg"
* code reorganization and clean-up
* updated XML export to write NetworkPlan, MotionPlan, and ServicePlan within a Scenario tag, added new "Save As XML..." File menu entry
* added script_start/pause/stop options to Ns2ScriptedMobility
* "python" source sub-directory renamed to "daemon"
* added "cored -e" option to execute a Python script, adding its session to the active sessions list, allowing for GUI connection
* support comma-separated list for custom_services_dir in core.conf file
* updated kernel patches for Linux kernel 3.5
* support RFC 6164-style IPv6 /127 addressing
*ns-3*
* integrate ns-3 node location between CORE and ns-3 simulation
* added ns-3 random walk mobility example
* updated ns-3 Wifi example to allow GUI connection and moving of nodes
* fixed the following bugs:<br>54, 103, 111, 136, 145, 153, 157, 160, 161, 162, 164, 165, 168, 170, 171, 173, 174, 176, 184, 190, 193
Known issues with 4.5:
* known issues will be listed here
----
= 4.4 =
CORE 4.4 was released on 9/25/12. Packages are available for Ubuntu 12.04/11.10 and Fedora 17/16.
The high-level changes since version 4.3 are:
*GUI*
* real-time bandwidth plotting tool
* added Wireshark and tshark right-click menu items
* X,Y coordinates shown in the status bar
* updated GUI attribute option to link messages for changing color/width/dash
* added sample IPsec and VPN scenarios, how many nodes script
* added jitter parameter to WLANs
* renamed Experiment menu to Session menu, added session options
* use 'key=value' configuration for services, EMANE models, WLAN models, etc.
* save only service values that have been customized
* copy service parameters from one customized service to another
* right-click menu to start/stop/restart each service
*EMANE*
* EMANE 0.7.4 support
* added support for EMANE CommEffect model and Comm Effect controller GUI
* added support for EMANE Raw Transport when using RJ45 devices
*Services*
* improved service customization; allow a service to define custom Tcl tab
* added vtysh.conf for Quagga service to support 'write mem'
* support scheduled events and services that start N seconds after runtime
* added UCARP service
*Documentation*
* converted the CORE manual to reStructuredText using Sphinx; added Python docs
*General*
* Python code reorganization
* improved cored.py thread locking
* merged xen branch into trunk
* added an event queue to a session with notion of time zero
* added UDP support to cored.py
* use UDP by default in coresendmsg.py; added '-H' option to print examples
* enter a bash shell by default when running vcmd with no arguments
* fixes to distributed emulation entering runtime state
* write 'nodes' file upon session startup
* make session number and other attributes available in environment
* support /etc/core/environment and ~/.core/environment files
* added Ns2ScriptedMobility model to Python, removed from the GUI
* namespace nodes mount a private /sys
* fixed the following bugs:<br>80, 81, 84, 99, 104, 109, 110, 122, 124, 131, 133, 134, 135, 137, 140, 143, 144, 146, 147, 151, 154, 155
Known issues with 4.4:
* GUI segfault under Ubuntu 11.10 with Tcl/Tk 8.5.10 (see 4.3 release notes).
* Fedora 17 stock kernel 3.3.4-6.fc17 is missing the sch_tbf module, needed to properly set up the tc qdiscs; fix by updating to 3.5.3-1.fc17 or newer
----
= 4.3 =
CORE 4.3 was released on 3/7/12. Packages are available for Ubuntu 11.10/11.04/10.10/10.04 and Fedora 14/15/16.
The high-level changes since version 4.2 are:
* EMANE 0.7.2 and 0.7.3 support
* hook scripts: customize actions at any of six different session states
* Check Emulation Light (CEL) exception feedback system
* added FTP and XORP services, and service validate commands
* services can flag when customization is required
* Python classes to support ns-3 simulation experiments
* write state, node X,Y position, and servers to pycore session dir
* removed over 9,000 lines of unused GUI code
* performance monitoring script
* batch mode improvements and --closebatch option
* export session to EmulationScript XML files
* basic range model moved from GUI to Python, supports 3D coordinates
* improved WLAN dialog with tabs
* added PhysicalNode class for joining real nodes with emulated networks
* fixed the following bugs:<br>50, 75, 76, 79, 82, 83, 85, 86, 89, 90, 92, 94, 96, 98,<br>100, 112, 113, 116, 119, 120
Known issues with 4.3
* CORE will segfault under Ubuntu 11.10 with Tcl/Tk 8.5.10. There is a known bug in the tk-8.5.10 package, the workaround is to uninstall it and install tk-8.5.11 from [http://www.ubuntuupdates.org/tk8.5 here]; see [http://code.google.com/p/coreemu/issues/detail?id=90 bug #90]
* the libimg-1.2.4_8 port under FreeBSD 9.0 causes icons in the CORE GUI to appear in black; there is an error showing gif files; see [http://code.google.com/p/coreemu/issues/detail?id=108 bug #108]
* the vcore-4.3.zip (md5sum: b10758ede92db7fa8cf1fa6537d88fbb) had a problem where the UUID listed in the VirtualBox XML did not match the vmdk disk file. This was corrected on 3/26/12 (md5sum: 2282036b2cd6416159c70165e824c36d). An old vmdk disk file was used having CORE 4.2 instead of 4.3; this was corrected on 4/2/12 (md5sum: 5d85dc5da5f12f98206905ff772c48f3)
* CORE 4.3 fails to build under Ubuntu 12.04 due to changes in the Linux 3.2.x include files; this was fixed in r429, so you can use the development snapshot when using a newer distro.
----
= 4.2 =
CORE 4.2 was released on 8/19/11.
The high-level changes since version 4.1 are:
* EMANE 0.7.1 support<br>support for Bypass model, Universal PHY, logging, realtime
* configurable MAC addresses
* control interfaces (backchannel between node and host)
* service customization dialog improved (tabbed)
* new testing scripts for MDR and EMANE performance testing
* improved upgrading of old imn files
* new coresendmsg.py utility (deprecates libcoreapi and coreapisend)
* new security services, custom service becomes UserDefined
* new services and Python scripting chapters in manual
* fixes to distributed emulation, linking tunnels/RJ45s with WLANs/hubs/switches
* fixed the following bugs:<br>18, 32, 34, 38, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,<br>52, 53, 55, 57, 58, 60, 62, 64, 65, 66, 68, 71, 72, 74
Known issues with 4.2:
* the CORE 4.2 source tarball fails to build on Fedora. <br>Fix this by changing this line in configure.ac: `AC_SUBST(libev_CFLAGS,)` to `AC_SUBST(libev_CFLAGS, [-I/usr/include/libev])`<br>This was due to an attempt to remove pkg-config as a dependency, but has been fixed in SVN and newer.
* Fedora 15 does not add the hostname to the 127.0.0.1 localhost line of the `/etc/hosts` file, which causes CORE to print an error: "couldn't open socket: can't assign requested address" when the execute button is pressed.
* [http://code.google.com/p/coreemu/issues/detail?id=39 issue 39] OSPF hellos become synchronized after 1 hr of running
* [http://code.google.com/p/coreemu/issues/detail?id=56 issue 56] wait for services shutdown
* [http://code.google.com/p/coreemu/issues/detail?id=63 issue 63] EMANE events not restricted to localhost lo device
----
= 4.1 =
CORE 4.1 was released on 1/5/11.
The high-level changes since version 4.0 are:
* new icons for toolbars and nodes
* node services introduced, node models deprecated
* customizable node types
* traffic flow editor with MGEN support
* user configs moved from /etc/core/`*` to ~/.core/
* allocate addresses from custom IPv4/IPv6 prefixes
* distributed emulation using GRE tunnels
* FreeBSD 8.1 now uses cored.py
* EMANE 0.6.4 support
* numerous bugfixes
Known issues with 4.1:
* kernel hanging under Ubuntu 10.10 [http://code.google.com/p/coreemu/issues/detail?id=38 issue 38]
* Tunnel node not implemented under FreeBSD [http://code.google.com/p/coreemu/issues/detail?id=37 issue 37]
* OSPF hellos become synchronized after running emulation for about one hour [http://code.google.com/p/coreemu/issues/detail?id=39 issue 39]
* CPU widget has been removed
* Mobility tool has been removed
* FreeBSD 8.1-RELEASE kernel warns "freed uma keg was not empty" and eventually crashes [http://code.google.com/p/coreemu/issues/detail?id=40 issue 40]
* "no common network" error when reconnecting to a session having point-to-point links and trying to modify/delete these links
* imn files made from older CORE versions not working in 4.1; see the [http://coreemu.blogspot.com/2010/11/node-types-and-services.html announcement about new CORE services]
* `sample1.imn` hanging under FreeBSD 8.1 with Quagga MDR 1.0. On node7, the `vtysh -b` command is blocking waiting for ospf6d, which seems to be waiting for a lock
----
= 4.0 =
CORE 4.0 was released on 8/17/10.
Here are some of the high-level changes since version 3.5:
* Python framework with Linux network namespace (netns) support (Linux netns is now the primary supported platform)
* ability to close the GUI and later reconnect to a running session (netns only)
* EMANE integration (netns only)
* new topology generators, host file generator
* user-editable Observer Widgets
* use of /etc/core instead of /usr/local/etc/core
* various bugfixes
Link to the [http://pf.itd.nrl.navy.mil/pipermail/core-users/2010-August/000209.html 4.0 release announcement].
----
= 3.5 =
CORE 3.5 was released on 9/15/09.
Link to the [http://pf.itd.nrl.navy.mil/pipermail/core-users/2009-September/000062.html 3.5 release announcement].
----
= 3.4 =
CORE 3.4 was released on 6/23/09.
Link to the [http://pf.itd.nrl.navy.mil/pipermail/core-users/2009-June/000019.html 3.4 release announcement].
----
= 3.3 =
CORE 3.3 was released on 3/11/09.
Link to the [http://pf.itd.nrl.navy.mil/pipermail/core-users/2009-March/000010.html 3.3 release announcement].
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